卫生宏-》防御性宏

[noexcept]

No description provided.

[google-cla]

Thanks for your pull request! It looks like this may be your first contribution to a Google open source project. Before we can look at your pull request, you'll need to sign a Contributor License Agreement (CLA).

View this failed invocation of the CLA check for more information.

For the most up to date status, view the checks section at the bottom of the pull request.

[kongy]

I think 卫生宏 is a more widely used term.

[mgeisler]

@noexcept or @kongy, could one of you update the PR title to be zh-CN: short description of the changes? That way the resulting commit will fit in with the others in the repository. Thanks!